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Finding the Fourth Proportional to 65,894.52, 99,358.70 and 60,383.28

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Solution

The fourth proportional to 65,894.52, 99,358.70 and 60,383.28 is: 91,048.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,894.52 : 99,358.70 = 60,383.28 : x
  2. Step 2: Convert to fraction form
    65,894.52/99,358.70 = 60,383.28/x
  3. Step 3: Cross multiply
    65,894.52x = 99,358.70 × 60,383.28
  4. Step 4: Simplify right side
    65,894.52x = 5,999,604,353.49
  5. Step 5: Solve for x
    x = 5,999,604,353.49/65,894.52
  6. Step 6: Final answer
    x = 91,048.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.